static VALUE
load_path_getcwd(void)
{
char *cwd = my_getcwd();
VALUE cwd_str = rb_filesystem_str_new_cstr(cwd);
xfree(cwd);
return cwd_str;
}
/*
* Returns system configuration directory.
*
* This is typically "/etc", but is modified by the prefix used when Ruby was
* compiled. For example, if Ruby is built and installed in /usr/local, returns
* "/usr/local/etc".
*/
static VALUE
etc_sysconfdir(VALUE obj)
{
#ifdef _WIN32
return rb_w32_special_folder(CSIDL_COMMON_APPDATA);
#else
return rb_filesystem_str_new_cstr(SYSCONFDIR);
#endif
}
/*
* Returns system temporary directory.
*/
static VALUE
etc_systmpdir(void)
{
#ifdef _WIN32
WCHAR path[_MAX_PATH];
UINT len = rb_w32_system_tmpdir(path, numberof(path));
if (!len) return Qnil;
return rb_w32_conv_from_wchar(path, rb_filesystem_encoding());
#else
return rb_filesystem_str_new_cstr("/tmp");
#endif
}
/*
* Returns system temporary directory; typically "/tmp".
*/
static VALUE
etc_systmpdir(void)
{
VALUE tmpdir;
#ifdef _WIN32
WCHAR path[_MAX_PATH];
UINT len = rb_w32_system_tmpdir(path, numberof(path));
if (!len) return Qnil;
tmpdir = rb_w32_conv_from_wchar(path, rb_filesystem_encoding());
#else
tmpdir = rb_filesystem_str_new_cstr("/tmp");
#endif
FL_UNSET(tmpdir, FL_TAINT);
return tmpdir;
}
static int
search_required(VALUE fname, volatile VALUE *path, int safe_level)
{
VALUE tmp;
char *ext, *ftptr;
int type, ft = 0;
const char *loading;
*path = 0;
ext = strrchr(ftptr = RSTRING_PTR(fname), '.');
if (ext && !strchr(ext, '/')) {
if (IS_RBEXT(ext)) {
if (rb_feature_p(ftptr, ext, TRUE, FALSE, &loading)) {
if (loading) *path = rb_filesystem_str_new_cstr(loading);
return 'r';
}
if ((tmp = rb_find_file_safe(fname, safe_level)) != 0) {
ext = strrchr(ftptr = RSTRING_PTR(tmp), '.');
if (!rb_feature_p(ftptr, ext, TRUE, TRUE, &loading) || loading)
*path = tmp;
return 'r';
}
return 0;
}
else if (IS_SOEXT(ext)) {
if (rb_feature_p(ftptr, ext, FALSE, FALSE, &loading)) {
if (loading) *path = rb_filesystem_str_new_cstr(loading);
return 's';
}
tmp = rb_str_subseq(fname, 0, ext - RSTRING_PTR(fname));
#ifdef DLEXT2
OBJ_FREEZE(tmp);
if (rb_find_file_ext_safe(&tmp, loadable_ext + 1, safe_level)) {
ext = strrchr(ftptr = RSTRING_PTR(tmp), '.');
if (!rb_feature_p(ftptr, ext, FALSE, TRUE, &loading) || loading)
*path = tmp;
return 's';
}
#else
rb_str_cat2(tmp, DLEXT);
OBJ_FREEZE(tmp);
if ((tmp = rb_find_file_safe(tmp, safe_level)) != 0) {
ext = strrchr(ftptr = RSTRING_PTR(tmp), '.');
if (!rb_feature_p(ftptr, ext, FALSE, TRUE, &loading) || loading)
*path = tmp;
return 's';
}
#endif
}
else if (IS_DLEXT(ext)) {
if (rb_feature_p(ftptr, ext, FALSE, FALSE, &loading)) {
if (loading) *path = rb_filesystem_str_new_cstr(loading);
return 's';
}
if ((tmp = rb_find_file_safe(fname, safe_level)) != 0) {
ext = strrchr(ftptr = RSTRING_PTR(tmp), '.');
if (!rb_feature_p(ftptr, ext, FALSE, TRUE, &loading) || loading)
*path = tmp;
return 's';
}
}
}
else if ((ft = rb_feature_p(ftptr, 0, FALSE, FALSE, &loading)) == 'r') {
if (loading) *path = rb_filesystem_str_new_cstr(loading);
return 'r';
}
tmp = fname;
type = rb_find_file_ext_safe(&tmp, loadable_ext, safe_level);
switch (type) {
case 0:
if (ft)
goto statically_linked;
ftptr = RSTRING_PTR(tmp);
return rb_feature_p(ftptr, 0, FALSE, TRUE, 0);
default:
if (ft) {
statically_linked:
if (loading) *path = rb_filesystem_str_new_cstr(loading);
return ft;
}
case 1:
ext = strrchr(ftptr = RSTRING_PTR(tmp), '.');
if (rb_feature_p(ftptr, ext, !--type, TRUE, &loading) && !loading)
break;
*path = tmp;
}
return type ? 's' : 'r';
}
static VALUE
safe_setup_filesystem_str(const char *str)
{
if (str == 0) str = "";
return rb_filesystem_str_new_cstr(str);
}
// TODO: can we fail allocating memory?
static VALUE
fenix_file_expand_path_plain(int argc, VALUE *argv)
{
size_t size = 0, wpath_len = 0, wdir_len = 0, whome_len = 0;
size_t buffer_len = 0;
char *fullpath = NULL;
wchar_t *wfullpath = NULL, *wpath = NULL, *wpath_pos = NULL, *wdir = NULL;
wchar_t *whome = NULL, *buffer = NULL, *buffer_pos = NULL;
UINT cp;
VALUE result = Qnil, path = Qnil, dir = Qnil;
// retrieve path and dir from argv
rb_scan_args(argc, argv, "11", &path, &dir);
// coerce them to string
path = fenix_coerce_to_path(path);
if (!NIL_P(dir))
dir = fenix_coerce_to_path(dir);
// convert char * to wchar_t
// path
if (!NIL_P(path)) {
size = MultiByteToWideChar(CP_UTF8, 0, RSTRING_PTR(path), -1, NULL, 0) + 1;
wpath = wpath_pos = (wchar_t *)malloc(size * sizeof(wchar_t));
MultiByteToWideChar(CP_UTF8, 0, RSTRING_PTR(path), -1, wpath, size);
wpath_len = wcslen(wpath);
// wprintf(L"wpath: '%s' with (%i) characters long.\n", wpath, wpath_len);
}
// dir
if (!NIL_P(dir)) {
size = MultiByteToWideChar(CP_UTF8, 0, RSTRING_PTR(dir), -1, NULL, 0) + 1;
wdir = (wchar_t *)malloc(size * sizeof(wchar_t));
MultiByteToWideChar(CP_UTF8, 0, RSTRING_PTR(dir), -1, wdir, size);
wdir_len = wcslen(wdir);
// wprintf(L"wdir: '%s' with (%i) characters long.\n", wdir, wdir_len);
}
/* determine if we need the user's home directory */
if ((wpath_len == 1 && wpath_pos[0] == L'~') ||
(wpath_len >= 2 && wpath_pos[0] == L'~' && IS_DIR_SEPARATOR_P(wpath_pos[1]))) {
// wprintf(L"wpath requires expansion.\n");
whome = fenix_home_dir();
whome_len = wcslen(whome);
// wprintf(L"whome: '%s' with (%i) characters long.\n", whome, whome_len);
/* ignores dir since we are expading home */
wdir_len = 0;
/* exclude ~ from the result */
wpath_pos++;
wpath_len--;
/* exclude separator if present */
if (wpath_len && IS_DIR_SEPARATOR_P(wpath_pos[0])) {
// wprintf(L"excluding expansion character and separator\n");
wpath_pos++;
wpath_len--;
}
} else if (wpath_len >= 2 && wpath_pos[1] == L':') {
/* ignore dir since path contains a drive letter */
// wprintf(L"Ignore dir since we have drive letter\n");
wdir_len = 0;
}
// wprintf(L"wpath_len: %i\n", wpath_len);
// wprintf(L"wdir_len: %i\n", wdir_len);
// wprintf(L"whome_len: %i\n", whome_len);
buffer_len = wpath_len + 1 + wdir_len + 1 + whome_len + 1;
// wprintf(L"buffer_len: %i\n", buffer_len + 1);
buffer = buffer_pos = (wchar_t *)malloc((buffer_len + 1) * sizeof(wchar_t));
/* add home */
if (whome_len) {
// wprintf(L"Copying whome...\n");
wcsncpy(buffer_pos, whome, whome_len);
buffer_pos += whome_len;
}
/* Add separator if required */
if (whome_len && wcsrchr(L"\\/:", buffer_pos[-1]) == NULL) {
// wprintf(L"Adding separator after whome\n");
buffer_pos[0] = L'\\';
buffer_pos++;
}
if (wdir_len) {
// wprintf(L"Copying wdir...\n");
wcsncpy(buffer_pos, wdir, wdir_len);
buffer_pos += wdir_len;
}
/* add separator if required */
if (wdir_len && wcsrchr(L"\\/:", buffer_pos[-1]) == NULL) {
// wprintf(L"Adding separator after wdir\n");
buffer_pos[0] = L'\\';
buffer_pos++;
}
/* now deal with path */
if (wpath_len) {
// wprintf(L"Copying wpath...\n");
wcsncpy(buffer_pos, wpath_pos, wpath_len);
buffer_pos += wpath_len;
}
/* GetFullPathNameW requires at least "." to determine current directory */
if (wpath_len == 0) {
// wprintf(L"Adding '.' to buffer\n");
buffer_pos[0] = L'.';
buffer_pos++;
}
/* Ensure buffer is NULL terminated */
buffer_pos[0] = L'\0';
// wprintf(L"buffer: '%s'\n", buffer);
// FIXME: Make this more robust
// Determine require buffer size
size = GetFullPathNameW(buffer, 0, NULL, NULL);
if (size) {
// allocate enough memory to contain the response
wfullpath = (wchar_t *)malloc(size * sizeof(wchar_t));
GetFullPathNameW(buffer, size, wfullpath, NULL);
/* Calculate the new size and leave the garbage out */
size = wcslen(wfullpath);
/* Remove any trailing slashes */
if (IS_DIR_SEPARATOR_P(wfullpath[size - 1]) && wfullpath[size - 2] != L':') {
// wprintf(L"Removing trailing slash\n");
wfullpath[size - 1] = L'\0';
}
// sanitize backslashes with forwardslashes
fenix_replace_wchar(wfullpath, L'\\', L'/');
// wprintf(L"wfullpath: '%s'\n", wfullpath);
// What CodePage should we use?
cp = AreFileApisANSI() ? CP_ACP : CP_OEMCP;
// convert to char *
size = WideCharToMultiByte(cp, 0, wfullpath, -1, NULL, 0, NULL, NULL) + 1;
fullpath = (char *)malloc(size * sizeof(char));
WideCharToMultiByte(cp, 0, wfullpath, -1, fullpath, size, NULL, NULL);
// convert to VALUE and set the filesystem encoding
result = rb_filesystem_str_new_cstr(fullpath);
}
// TODO: better cleanup
if (buffer)
free(buffer);
if (wpath)
free(wpath);
if (wdir)
free(wdir);
if (whome)
free(whome);
if (wfullpath)
free(wfullpath);
if (fullpath)
free(fullpath);
return result;
}
